| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | EC2-4.5NU | RELAY GEN PURPOSE DPDT 2A 4.5VGeneral Purpose Relay DPDT (2 Form C) Through Hole | KEMET |
| 2 | OUAZ-SH-112L,405 | RELAY TELECOM SPDT 1A 12VTelecom Relay SPDT (1 Form C) Through Hole | TE Connectivity Potter & Brumfield Relays |
| 3 | 1860306-1 | SOCKET 5MM W/SCREW TERM DINRelay Socket DIN Rail | TE Connectivity Potter & Brumfield Relays |
| 4 | KHU-17D11-12 | RELAY GEN PURPOSE 4PDT 3A 12VGeneral Purpose Relay 4PDT (4 Form C) 12VDC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 5 | PB4 | I/O MOUNTING BOARD STANDARD 4POSI/O Module Rack 4 Channel | Sensata-Crydom |
| 6 | 70GRCP32-HL | I/O MOUNTING BOARD G5 32POSI/O Module Rack 32 Channel | Grayhill Inc. |
| 7 | PB-8SM | I/O MOUNTING BOARD MINI 8POSI/O Module Rack 8 Channel | Sensata-Crydom |
| 8 | PB-8M | I/O MOUNTING BOARD MINI 8POSI/O Module Rack 8 Channel | Sensata-Crydom |
| 9 | ARS30Y4H | ARS RELAY 1 FORM C REV 4.5V | Panasonic Electric Works |